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PRODUCT MODULE 01 / 06

Physical Dimensions

Automatic mm / inch conversion · Core engineering specifications

Data source: Structured from factory data; final measured values prevail.

Overall dimensions (W × D × H)	740 × 760 × 1310 mm
Seat height adjustment range	480 to 570 mm
Seat width	510 mm
Seat depth	500 mm
Backrest total height	780 mm
Five-star base diameter	700 mm
Caster wheel diameter	60 mm
Headrest dimensions	340 x 190 mm
Armrest height adjustment range	70 mm
Retractable footrest extended length	280 mm
Knee clearance under seat at lowest height	180 mm
Finished Seat Cushion Thickness	90 mm
Backrest Padding Thickness	70 mm
Lumbar Support Zone Height	240 mm
Clear Width Between Armrests	540 mm

PRODUCT MODULE 02 / 06

Weight, Load & Performance

Net weight / load capacity / users / durability

Data source: Product performance data; verify exact test conditions before procurement.

Net chair weight	23 kg
Maximum recommended user weight capacity	150 kg
Gas lift durability cycle rating	120000 cycles
Backrest recline maximum angle	135°
Seat foam density	50 kg/m³
Seat foam thickness	80 mm
Mesh upholstery abrasion resistance	50000 Martindale cycles
Caster rolling durability rating	100 km travel
Five-star base static load rating	500 kg
Seam stitch pitch	3 mm per stitch

PRODUCT MODULE 03 / 06

Materials & Structure

Core acceptance fields · Panels / hardware / frame / upholstery

Data source: Subject to the factory material list and inspection report.

Backrest upholstery	Breathable grey woven polyester mesh
Seat upholstery	Breathable grey mesh over high-density molded foam
Structural frame	Reinforced light grey glass-fiber nylon
Five-star base	Polished die-cast aluminum alloy
Armrest pads	Soft polyurethane padded tops on height-adjustable nylon stems
Caster wheels	Soft PU tread with nylon hub and steel bearings
Gas lift column	Chrome-plated steel Class 3 gas lift
Tilt mechanism plate	3 mm thick stamped steel with powder-coated finish
Retractable footrest	Mesh-padded steel and nylon sliding assembly
Headrest support	Nylon frame with height and angle adjustment hardware
Lumbar support panel	Flexible molded nylon with mesh overlay
Seat Internal Support Board Thickness	14 mm bent plywood or equivalent support board

PRODUCT MODULE 04 / 06

Functions & Adjustment

Adjustment / rotation / tilt / mobility / storage features

Data source: Functional configuration; the supplier specification prevails.

360-degree swivel rotation	Full rotation enabled by central gas lift and swivel mechanism
Pneumatic seat height adjustment	Lever-operated 90 mm vertical travel via Class 3 gas lift
Backrest tilt and lock	Multi-position lock between 90° upright and 135° recline
Adjustable lumbar support	Height-adjustable contoured panel aligns to lower back curve
Adjustable headrest	60 mm height travel and 35° angle adjustment
3D adjustable armrests	70 mm height adjustment plus forward/back and pivot travel
Retractable footrest	Slide-out extension under seat locks in extended/retracted position
Dual-surface casters	Soft PU tread rolls smoothly on hardwood and carpeted floors
Tilt tension adjustment	Knob under seat adjusts recline resistance to match user weight
Breathable mesh ventilation	Open-weave mesh allows continuous airflow across seat and back
Recline Angle / Lock Reference	125° with 3suggested lock positions
Tilt Tension User-weight Range	Reference adjustment coverage 120 kg

PRODUCT MODULE 05 / 06

Packaging & Logistics

Verified carton / gross weight / assembly / loading data

Data source: Reference for export quotations and container planning.

Reference Package Count	1 set / 2 cartons
Reference Assembly Time	40 minutes per set
Reference Carton Dimensions	850× 420× 720 mm
Reference Packaged Gross Weight	23 kg/set
Reference Carton Volume	0.26 m³/set
Indicative 20GP Loading	135 sets at 85% space utilization
Indicative 40HQ Loading	320 sets at 85% space utilization

PRODUCT MODULE 06 / 06

Applications & Usage

Recommended spaces / users / usage modes

Data source: Recommended applications based on product form and category.

Home office workstations	Provides long-sitting ergonomic support for remote work and telecommuting
Open-plan commercial offices	Neutral grey finish and breathable mesh suit shared workspaces
Executive private offices	High-back support and recline function support focused work and short breaks
Computer and gaming setups	Adjustable armrests and footrest support extended screen time positions
Study rooms for students and professionals	Adjustable seat height fits teens to adults at standard writing desks
Meeting and conference rooms	360 swivel and neutral aesthetic suit collaborative meeting spaces
Co-working shared spaces	Adjustable features adapt to varied user heights and preferences
Recommended Matching Desk Size	2.4 m executive desk

STANDARD S1

EU Market Entry Requirements * EN Standards

EU Market Access Requirements* EN Standards

EN 1335-1:2020	Office furniture office chairs dimensional and safety requirements
EN 1335-2:2018	Office chair mechanical safety and strength performance requirements
EN 1335-3:2018	Office chair test methods for structural stability and durability

STANDARD S2

North America Purchasing & Inspection Reference * ANSI/BIFMA Standards

US and Canada office-furniture standards

ANSI/BIFMA X5.1-2017	General purpose office chair safety and performance standard

STANDARD S3

Standards Applicable to China-Market Projects * GB Standards

Standards applicable to China-market projects

GB/T 3326-2016	Furniture dimensional and geometric tolerance requirement for office seating
GB/T 10357.3-2013	Mechanical performance test standard for chair and stool strength/durability
GB 18584-2001	Indoor decoration material hazardous substance limit for wooden furniture

Standardized tender description text

This product must meet the following technical requirements:
1. GB/T 3326-2016: Furniture dimensional and geometric tolerance requirement for office seating;
2. GB/T 10357.3-2013: Mechanical performance test standard for chair and stool strength/durability;
3. GB 18584-2001: Indoor decoration material hazardous substance limit for wooden furniture;
Final delivery parameters, test reports, and acceptance criteria are subject to the purchase contract.

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Product Description

The Grey High-Back Mesh Ergonomic Office Chair with Retractable Footrest and Adjustable Headrest (model ERG-MESH-GREY-FR-01, unbranded) features a streamlined, contemporary form defined by a tall contoured backrest, proportioned five-star base, and coordinated neutral grey finishes that blend seamlessly with a range of interior design schemes. The overall structure measures 740 by 760 by 1310 mm, with a 700 mm diameter polished die-cast aluminum alloy five-star base fitted with 60 mm soft PU casters for smooth, floor-friendly movement. The chair’s construction prioritizes durable, long-wearing components: the backrest uses breathable grey woven polyester mesh, while the seat pairs matching breathable grey mesh over 80 mm thick, 50 kg/m³ high-density molded foam for balanced support and ventilation. Its structural frame is made of reinforced light grey glass-fiber nylon, paired with a chrome-plated Class 3 steel gas lift column rated for 120,000 durability cycles, a 3 mm thick powder-coated stamped steel tilt mechanism plate, and soft polyurethane-padded armrests mounted on height-adjustable nylon stems. The retractable footrest uses a mesh-padded steel and nylon sliding assembly, and the mesh upholstery carries a 50,000 Martindale cycle abrasion resistance rating to withstand regular daily use. The chair supports a maximum recommended user weight of 150 kg, and delivers a full suite of ergonomic functions for all-day comfort: full 360-degree swivel rotation, lever-operated pneumatic seat height adjustment with 90 mm of vertical travel to reach a maximum seat height of 570 mm, multi-position backrest tilt and lock between 90 degrees upright and 135 degrees recline, height-adjustable contoured lumbar support that aligns with the natural lower back curve, a 340 by 190 mm headrest with 60 mm height travel and 35-degree angle adjustment, 3D armrests with 70 mm height adjustment plus forward/back and pivot movement, and a slide-out footrest that locks securely in both extended and retracted positions. This model is suited for a wide range of spaces, including home office workstations supporting remote work, open-plan commercial offices with shared work areas, executive private offices for focused work and short rest breaks, computer and gaming setups for extended screen time, study rooms serving teens and adults at standard writing desks, and meeting and conference rooms supporting collaborative activity. Procurement teams should note that each chair ships as one set across two cartons, with a packaged gross weight of 23 kg per set, total carton volume of 0.26 cubic meters per set, and a reference assembly time of 40 minutes per unit. When planning bulk shipping, 135 sets can be loaded into a 20GP container at 85% space utilization, making the model practical for both individual purchase and large-scale commercial outfitting projects.

Grey High-Back Mesh Ergonomic Office Chair with Retractable Footrest and Adjustable Headrest Specifications

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